26025869 has 2 divisors, whose sum is σ = 26025870. Its totient is φ = 26025868.

The previous prime is 26025863. The next prime is 26025871. The reversal of 26025869 is 96852062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14212900 + 11812969 = 3770^2 + 3437^2 .

It is a cyclic number.

It is not a de Polignac number, because 26025869 - 2²⁴ = 9248653 is a prime.

It is a super-2 number, since 2×26025869² = 1354691714410322, which contains 22 as substring.

Together with 26025871, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26025863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13012934 + 13012935.

It is an arithmetic number, because the mean of its divisors is an integer number (13012935).

Almost surely, 2^26025869 is an apocalyptic number.

It is an amenable number.

26025869 is a deficient number, since it is larger than the sum of its proper divisors (1).

26025869 is an equidigital number, since it uses as much as digits as its factorization.

26025869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 26025869 is about 5101.5555470856. Note that the first 4 decimals coincide. The cubic root of 26025869 is about 296.3478265945.

The spelling of 26025869 in words is "twenty-six million, twenty-five thousand, eight hundred sixty-nine".